Here's yet another reason to not give money to Proton:
Happy 31st Birthday to the #PHP programming language.
X.Org Security Advisory: June 2, 2026 https://www.openwall.com/lists/oss-security/2026/06/02/1
8 issues in X server and Xwayland, all with ZDI-CAN identifiers, one also already has a CVE
Here’s an easter egg in the new Lego Batman that I think all of yourwill REALLY appreciate.
It’s so good, I had to make a video.
Been telling people about these kinds of hybrid threats and interactions between threat actors and victims for years, and these examples are not reflecting true nation-state efforts or capabilities.
Cyber threats aren't limiting themselves to computers so why are we?
https://bird.makeup/users/jamieantisocial/statuses/2062922881869271522
WinNotify/signeddrv.sys — Full Local Privilege Escalation via Arbitrary Kernel Read/Write https://medium.com/@haider303mustafa/winnotify-signeddrv-sys-full-local-privilege-escalation-via-arbitrary-kernel-read-write-09e0c1ababf3
Security Advisory: CVE-2025-52293 - Memory Safety Violation in GPAC MP4Box HEVC SPS Parser
Processing a crafted MP4 file containing malformed HEVC SPS data with `MP4Box` can trigger a segmentation fault in `gf_hevc_read_sps_bs_internal()`, causing a Denial of Service.
Summary:
The `gf_hevc_read_sps_bs_internal()` function in `media_tools/av_parsers.c` does not safely handle crafted HEVC SPS data while parsing video configuration from a malicious MP4 file. During import and split processing, malformed SPS data reaches the HEVC parser and causes an invalid memory read.
AddressSanitizer reports a `SEGV` caused by a `READ` memory access at `media_tools/av_parsers.c:9309`. The crash occurs while MP4Box processes the crafted file through the isomedia input and NAL replacement/configuration path.
CWE:
CWE classification was not specified in the local MITRE data. This issue is best described as a memory safety violation in HEVC SPS parsing, with an observed out-of-bounds/invalid read leading to SIGSEGV.
Affected Component:
```
media_tools/av_parsers.c:9309
Function: gf_hevc_read_sps_bs_internal()
```
Affected Product:
MP4Box (GPAC Multimedia Open Source Project)
Affected Version:
MP4Box versions 2.4 and earlier (GPAC build at commit: 8a0d5b43c242fe4befb88530e4c9afef37114161)
Attack Conditions:
An attacker supplies a crafted MP4 file containing malformed HEVC SPS NAL units. The issue can be reproduced locally with:
```
./MP4Box -add 3_poc.mp4 -new /dev/null -split-size 5000000
```
No elevated privileges are required. User interaction is required when the victim manually processes the malicious MP4 file, or an automated workflow invokes MP4Box on attacker-controlled media.
Impact:
The immediate observed impact is Denial of Service due to process termination. The local CVE request classifies the issue as a buffer overflow / memory safety violation. The observed ASAN trace shows an invalid read; no evidence of arbitrary code execution was observed.
Fix / mitigation status:
The issue was fixed in GPAC commit:
```
d091c7e92ef0b6497b808e243501f500135f69c4
```
Users should update to a GPAC build containing this commit or later. The parser should validate HEVC SPS bitstream boundaries and reject malformed SPS/NAL data before reading fields from the bitstream.
References:
- Issue: https://github.com/gpac/gpac/issues/3146
- PoC: https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/3/3_poc.mp4
- Fix: https://github.com/gpac/gpac/commit/d091c7e92ef0b6497b808e243501f500135f69c4
Credit
@sigdevel
#fuzzing #infosec #security #afl #revers #cybersecurity #bugbounty #vulnerability #opensource #linux #cve #advisory #media
Winners Announced in 2026's 'International Obfuscated C Code Competition' https://developers.slashdot.org/story/26/06/07/1730236/winners-announced-in-2026s-international-obfuscated-c-code-competition?utm_source=rss1.0mainlinkanon
Oh! Damn. I missed this:
RIP Marcia Lucas, the woman who saved Star Wars in the edit.
For all you AI haters out there 🍿 https://garymarcus.substack.com/p/ais-black-friday
Imagine if they hired a human person who made regular mistakes and the boss just went "Hey... they will learn to do it well if you give it time. It's an investment in the future!"