CVE-2026-33021

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a use-after-free vulnerability in sixelencoderencodebytes because sixelframeinit stores the caller-owned pixel buffer pointer directly in frame-pixels without making a defensive copy...

CVE-2026-33021 libsixel: Use-after-free in sixel_encoder_encode_bytes()

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a use-after-free vulnerability in sixelencoderencodebytes because sixelframeinit stores the caller-owned pixel buffer pointer directly in frame-pixels without making a defensive copy...

PT-2026-32951

Name of the Vulnerable Software and Affected Versions libsixel versions prior to 1.8.7-r1 Description A use-after-free issue exists in the sixel encoder encode bytes function. The sixel frame init function stores the caller-owned pixel buffer pointer directly in frame-pixels without creating a...

UBUNTU-CVE-2026-23444

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211txprepareskb failure ieee80211txprepareskb has three error paths, but only two of them free the skb. The first error path ieee80211txprepare returning TXDROP does not free it, while...

CVE-2022-50829 wifi: ath9k: hif_usb: Fix use-after-free in ath9k_hif_usb_reg_in_cb()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: Fix use-after-free in ath9khifusbregincb It is possible that skb is freed in ath9khtcrxmsg, then usbsubmiturb fails and we try to free skb again. It causes use-after-free bug. Moreover, if allocskb fails,...

AZL-74930 CVE-2025-39873 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: can: xilinxcan: xcanwriteframe: fix use-after-free of transmitted SKB canputechoskb takes ownership of the SKB and it may be freed during or after the call. However, xilinxcan xcanwriteframe keeps using SKB after the call. Fix th...

CVE-2025-39873

CVE-2025-39873 (Linux kernel) : The vulnerability concerns the xilinx_can driver where xcan_write_frame() may use a previously freed skb. The root cause is that can_put_echo_skb() can take ownership of the SKB, which may be freed during or after the call, while xcan_write_frame() continues to tou...

net: mctp: take ownership of skb in mctp_local_output

...

SUSE CVE-2024-27418

In the Linux kernel, the following vulnerability has been resolved: net: mctp: take ownership of skb in mctplocaloutput Currently, mctplocaloutput only takes ownership of skb on success, and we may leak an skb if mctplocaloutput fails in specific states; the skb ownership isn't transferred until...

UBUNTU-CVE-2024-27418

In the Linux kernel, the following vulnerability has been resolved: net: mctp: take ownership of skb in mctplocaloutput Currently, mctplocaloutput only takes ownership of skb on success, and we may leak an skb if mctplocaloutput fails in specific states; the skb ownership isn't transferred until...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

The Mozilla Foundation Security Advisory describes this flaw as: Ownership mismanagement led to a use-after-free in ReadableByteStreams...