USN-6181-1: Ruby vulnerabilities

Hiroshi Tokumaru discovered that Ruby did not properly handle certain user input for applications the generate HTTP responses using cgi gem. An attacker could possibly use this issue to maliciously modify the response a user would receive from a vulnerable application. This issue only affected...

USN-6143-3: Firefox regressions

USN-6143-1 fixed vulnerabilities and USN-6143-2 fixed minor regressions in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were...

USN-5948-2: Werkzeug vulnerabilities

USN-5948-1 fixed vulnerabilities in Werkzeug. This update provides the corresponding updates for Ubuntu 23.04. Original advisory details: It was discovered that Werkzeug did not properly handle the parsing of nameless cookies. A remote attacker could possibly use this issue to shadow other cookie...

USN-6180-1: VLC media player vulnerabilities

It was discovered that VLC could be made to read out of bounds when decoding image files. If a user were tricked into opening a crafted image file, a remote attacker could possibly use this issue to cause VLC to crash, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and...

USN-6168-2: libx11 vulnerability

USN-6168-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 ESM. Original advisory details: Gregory James Duck discovered that libx11 incorrectly handled certain Request, Event, or Error IDs. If a user were...

USN-6179-1: Jettison vulnerability

It was discovered that Jettison incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service...

USN-6178-1: SVG++ library vulnerabilities

It was discovered that in SVG++ library that the demo application incorrectly managed memory resulting in a memory access violation under certain circumstances. An attacker could possibly use this issue to leak memory information or run a denial of service attack. This issue only affected Ubuntu...

USN-6083-2: cups-filters vulnerability

USN-6083-1 fixed a vulnerability in cups-filters. This update provides the corresponding update for Ubuntu 16.04 LTS. Original advisory details: It was discovered that cups-filters incorrectly handled the beh CUPS backend. A remote attacker could possibly use this issue to cause the backend to st...

USN-6166-2: libcap2 vulnerability

USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original advisory details: Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this...

USN-6177-1: Jettison vulnerabilities

It was discovered that Jettison incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service...

USN-6176-1: PyPDF2 vulnerability

It was discovered that PyPDF2 incorrectly handled certain PDF files. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to consume system resources, resulting in a denial of service...

USN-6167-1: QEMU vulnerabilities

It was discovered that QEMU did not properly manage the guest drivers when shared buffers are not allocated. A malicious guest driver could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubunt...

USN-6175-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6174-1: Linux kernel (OEM) vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 It was discovered that the Huma...

USN-6173-1: Linux kernel (OEM) vulnerabilities

Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-31436 It was discovered that the...

USN-6172-1: Linux kernel vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6171-1: Linux kernel vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the TUN/TAP driver in t...

USN-6170-1: Podman vulnerabilities

It was discovered that Podman incorrectly handled certain images. An attacker could possibly use this issue to pull an untrusted image...

USN-6156-2: SSSD regression

USN-6156-1 fixed a vulnerability in SSSD. In certain environments, not all packages ended up being upgraded at the same time, resulting in authentication failures when the PAM module was being used. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It w...

USN-6169-1: GNU SASL vulnerability

It was discovered that GNU SASL's GSSAPI server could make an out-of-bounds reads if given specially crafted GSS-API authentication data. A remote attacker could possibly use this issue to cause a denial of service or to expose sensitive information...

USN-6168-1: libx11 vulnerability

Gregory James Duck discovered that libx11 incorrectly handled certain Request, Event, or Error IDs. If a user were tricked into connecting to a malicious X Server, a remote attacker could possibly use this issue to cause libx11 to crash, resulting in a denial of service...

USN-6155-2: Requests vulnerability

USN-6155-1 fixed a vulnerability in Requests. This update provides the corresponding update for Ubuntu 16.04 ESM and 18.04 ESM. Original advisory details: Dennis Brinkrolf and Tobias Funke discovered that Requests incorrectly leaked Proxy-Authorization headers. A remote attacker could possibly us...

USN-6166-1: libcap2 vulnerabilities

David Gstir discovered that libcap2 incorrectly handled certain return codes. An attacker could possibly use this issue to cause libcap2 to consume memory, leading to a denial of service. CVE-2023-2602 Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An...

USN-6165-1: GLib vulnerabilities

It was discovered that GLib incorrectly handled non-normal GVariants. An attacker could use this issue to cause GLib to crash, resulting in a denial of service, or perform other unknown attacks...

USN-6164-1: c-ares vulnerabilities

Hannes Moesl discovered that c-ares incorrectly handled certain ipv6 addresses. An attacker could use this issue to cause c-ares to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2023-31130 Xiang Li discovered that c-ares incorrectly handled certain UDP packets. ...

USN-6163-1: pano13 vulnerabilities

It was discovered that pano13 did not properly validate the prefix provided for PTcrop's output. An attacker could use this issue to cause pano13 to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18....

USN-6162-1: Linux kernel (Intel IoTG) vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6161-1: .NET vulnerabilities

It was discovered that .NET did not properly enforce certain restrictions when deserializing a DataSet or DataTable from XML. An attacker could possibly use this issue to elevate their privileges. CVE-2023-24936 Kevin Jones discovered that .NET did not properly handle the AIA fetching process for...

USN-6160-1: GNU binutils vulnerability

It was discovered that GNU binutils incorrectly performed bounds checking operations when parsing stabs debugging information. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-6159-1: Tornado vulnerability

It was discovered that Tornado incorrectly handled certain redirect. An remote attacker could possibly use this issue to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL...

USN-6158-1: Node Fetch vulnerability

It was discovered that Node Fetch incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to obtain sensitive information...

USN-6143-2: Firefox regressions

USN-6143-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted...

USN-6148-1: SNI Proxy vulnerability

It was discovered that SNI Proxy did not properly handle wildcard backend hosts. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service, or arbitrary code execution...

USN-6157-1: GlusterFS vulnerability

Tao Lyu discovered that GlusterFS did not properly handle certain event notifications. An attacker could possibly use this issue to cause a denial of service...

USN-6156-1: SSSD vulnerability

It was discovered that SSSD incorrrectly sanitized certificate data used in LDAP filters. When using this issue in combination with FreeIPA, a remote attacker could possibly use this issue to escalate privileges...

USN-6155-1: Requests vulnerability

Dennis Brinkrolf and Tobias Funke discovered that Requests incorrectly leaked Proxy-Authorization headers. A remote attacker could possibly use this issue to obtain sensitive information...

USN-6154-1: Vim vulnerabilities

It was discovered that Vim was using uninitialized memory when fuzzy matching, which could lead to invalid memory access. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10 and Ubuntu 23.04...

USN-6153-1: Jupyter Core vulnerability

It was discovered that Jupyter Core executed untrusted files in the current working directory. An attacker could possibly use this issue to execute arbitrary code...

USN-6152-1: Linux kernel (GKE) regression

It was discovered that NFS client's access cache implementation in the Linux kernel caused a severe NFS performance degradation in certain conditions. This updated makes the NFS file-access stale cache behavior to be optional...

USN-6151-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that the KVM VMX implementation in the Linux kernel did no...

USN-6150-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6149-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6147-1: SpiderMonkey vulnerability

Several security issues were discovered in the SpiderMonkey JavaScript library. If a user were tricked into opening malicious JavaScript applications or processing malformed data, a remote attacker could exploit a variety of issues related to JavaScript security, including denial of service...

USN-6146-1: Netatalk vulnerabilities

It was discovered that Netatalk did not properly validate the length of user-supplied data in the DSI structures. A remote attacker could possibly use this issue to execute arbitrary code with the privileges of the user invoking the programs. This issue only affected Ubuntu 20.04 LTS and Ubuntu...

USN-6145-1: Sysstat vulnerabilities

It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue was only fixed for Ubuntu 16.04 LTS. CVE-2022-39377 It was discovered...

USN-6028-2: libxml2 vulnerabilities

USN-6028-1 fixed vulnerabilities in libxml2. This update provides the corresponding updates for Ubuntu 23.04. Original advisory details: It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash. CVE-2022-2309 It was discovere...

USN-6144-1: LibreOffice vulnerabilities

It was discovered that LibreOffice did not properly validate the number of parameters passed to the formula interpreter, leading to an array index underflow attack. If a user were tricked into opening a specially crafted spreadsheet file, an attacker could possibly use this issue to execute...

USN-6143-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. CVE-2023-34414, CVE-2023-34416,...

USN-6142-1: nghttp2 vulnerability

Gal Goldshtein discovered that nghttp2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service...

USN-6141-1: xfce4-settings vulnerability

Robin Peraglie and Johannes Moritz discovered that xfce4-settings incorrectly parsed quoted input when processed through xdg-open. A remote attacker could possibly use this issue to inject arbitrary arguments into the default browser or file manager...